23303021013031 has 16 divisors (see below), whose sum is σ = 24683203657728. Its totient is φ = 21923886038400.

The previous prime is 23303021013023. The next prime is 23303021013073. The reversal of 23303021013031 is 13031012030332.

It is not a de Polignac number, because 23303021013031 - 2³ = 23303021013023 is a prime.

It is a super-2 number, since 2×23303021013031² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23303021012993 and 23303021013011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23303021013131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1108021486 + ... + 1108042516.

It is an arithmetic number, because the mean of its divisors is an integer number (1542700228608).

Almost surely, 2^{23303021013031} is an apocalyptic number.

23303021013031 is a deficient number, since it is larger than the sum of its proper divisors (1380182644697).

23303021013031 is a wasteful number, since it uses less digits than its factorization.

23303021013031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42822.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 23303021013031 its reverse (13031012030332), we get a palindrome (36334033043363).

The spelling of 23303021013031 in words is "twenty-three trillion, three hundred three billion, twenty-one million, thirteen thousand, thirty-one".